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  • Users: juliomendez
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  1. juliomendez

    Hydrocyclone modelling in CFX

    First of all you have to read your global inbalances, and if your run target have been met. For example you can reach your maximun number of iteration, but your imbalances are not good enough or your RMS and MAX residual have not been met either. I usually define, as a convergence criteria, the...
  2. juliomendez

    ASCE 7 wind pressure

    I have been working on the wind load calculation of a Pressure vessel, the point is that the ASCE standard defines the procedure to find the wind load (lb) but in every pressure handbook they use the pressure on the vessel (psf) to feine the load on the pressure due to the wind. My doubt is how...
  3. juliomendez

    oil and gas separator pressure drop

    hey friends!! Which is the normal pressure drop in oil and gas separator designed by API 12 J???
  4. juliomendez

    oil and gas separator boudnary condition on CFX

    Hey guys, I have been working in a oil- gas separator on CFX. The most difficult part has been the correct selection of the boundaries conditions. The inlet condition is the less difficult since I have the flow rates in that point, the hardest part are the oil outlet and the gas outlet, because...
  5. juliomendez

    emulsion pipeline dimension

    which is the maximum recommended velocity o pressure gradient for a oil/water emulsion pipeline ?
  6. juliomendez

    31.1 or ASME SEC I ???

    can someone explain me the main difference between the standard 31.1 and the ASME SEC I... i´m very confused with them... yours truly JM
  7. juliomendez

    (H/D )ratio

    Hey dear friends it depends on the soil resistence. Hmax=1000*SR/SG SR: minimum SOil resistence (kg/cm2) SG: speciif gravity (non dimensioanl) hmax: mm
  8. juliomendez

    Pipe allowable separation

    This project will be carry on in Colombia, and the information thaht i´m asking is about the horizontal distance.!!!! thanks
  9. juliomendez

    Pipe allowable separation

    Wich is the allowable separation between a pipe and a high way ??.
  10. juliomendez

    Kockey pump or hidroneumatic system?

    I´m working on a fire system for a plant and the point is that i´ve read in the NFPA about jockey pump and I do understand that jochey pump work to maintain the pressure in the pipe line. So my doubt is about that in the project that I´m working they want to maintain the pressuere with a...
  11. juliomendez

    Head pipe or main pipe location?

    I´m working in a gas plant design and a co-worker is working with the fire line location, he wants to place the fire pipes in the pipe rack with other pipes. I was thinking that this piping arrange is not the most secure, because if I have an explosion in a tank, the explosion will destroy the...
  12. juliomendez

    standard for a gas plant?

    I`m disiging a compresion plant, so i need to know wich standar aplly to design a gas compresion plant, for the facilities.
  13. juliomendez

    non newtonian piping design

    how can i get deep information about non nwtonian fluid flow?I have to design a piping system, but i haven`t found any information about how!!! what should i do to analize those kind of system? thanks
  14. juliomendez

    PRO II and Hisys?+

    Which is the main difference between hisys and PRO II? Thanks!
  15. juliomendez

    material requirment?

    Thanks, but don`t you think that an ASTM 240 Type 304 is too expensive for a sevice which doesn`t really need it,I mean Methanol is not a corrosive fluid!!! Best Regards!
  16. juliomendez

    material requirment?

    which kind of material should i use for a Methanol Tank. Steel or stainless steel.?
  17. juliomendez

    Hidraulic pipe design standard?

    I have a doubt about which standard should I use a for designing piping system, but not the type and those things, I mean not the 31.3.ASME!! I want to know wich standard should I use to analize and design piping system, head loss, max velocitis, etc... Thanks
  18. juliomendez

    standard to meet welding procedure?

    wich kind of standard are mandatory to fullfill the welding procedure in piping system?. Such as:gas piping,naphta piping and more.
  19. juliomendez

    Sprinkler max pressure, pressure regulators

    TravisMack, thanks for the information, but içm still have the doubt wich kind of pressure regulator should i use?can i use orifice plate, Relief valve? cdafd, I`m desiging the fire supression system!!
  20. juliomendez

    Sprinkler max pressure, pressure regulators

    This system is a industrial area, wich requieres all of those items, the problems is that i requiere differents pressure, the big point hear is that the NFPA Standart doesn´t clear wich kind of pressure regulator should we use.!!!!

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